fix(core): Ensure status on Axios errors is available to the BE (#9015)

Author: ivov

packages/core/src/NodeExecuteFunctions.ts

@@ -848,6 +848,11 @@ export async function proxyRequestToAxios(
 				error.message = `${response.status as number} - ${JSON.stringify(responseData)}`;
 				throw Object.assign(error, {
 					statusCode: response.status,
+					/**
+					 * Axios adds `status` when serializing, causing `status` to be available only to the client.
+					 * Hence we add it explicitly to allow the backend to use it when resolving expressions.
+					 */
+					status: response.status,
 					error: responseData,
 					response: pick(response, ['headers', 'status', 'statusText']),
 				});

packages/core/test/NodeExecuteFunctions.test.ts

@@ -243,6 +243,16 @@ describe('NodeExecuteFunctions', () => {
 			hooks.executeHookFunctions.mockClear();
 		});
 
+		test('should rethrow an error with `status` property', async () => {
+			nock(baseUrl).get('/test').reply(400);
+
+			try {
+				await proxyRequestToAxios(workflow, additionalData, node, `${baseUrl}/test`);
+			} catch (error) {
+				expect(error.status).toEqual(400);
+			}
+		});
+
 		test('should not throw if the response status is 200', async () => {
 			nock(baseUrl).get('/test').reply(200);
 			await proxyRequestToAxios(workflow, additionalData, node, `${baseUrl}/test`);